public String getTime(){
        Calendar c = new GregorianCalendar();
        String time = c.get(Calendar.YEAR) + "-" +
                      (c.get(Calendar.MONTH) + 1) + "-" +
                      c.get(Calendar.DATE)  + "  " ;
        int h = c.get(Calendar.HOUR_OF_DAY);
        int m = c.get(Calendar.MINUTE);
        int s = c.get(Calendar.SECOND);
        String ph = h<10 ? "0":"";
        String pm = m<10 ? "0":"";
        String ps = s<10 ? "0":"";        
        time += ph + h + ":" + pm + m + ":" + ps + s;
        return time;
    }